micromolar

例句：

1. 1. The concentration of the solution is 0.01 micromolar.
   溶液的浓度是0.01微摩尔。
2. 2. The experiment was performed at a micromolar level of accuracy.
   实验在精确度为微摩尔的水平上进行。
3. 3. The researcher found that the concentration of the substance was in the micromolar range.
   研究者发现该物质的浓度处于微摩尔范围内。